A longtime Washington, D.C., criminal defense lawyer portrayed by a prosecutor as a serial violator of legal ethics rules was sentenced Tuesday to 63 months in federal prison for presenting staged photographs and perjured testimony as evidence at a client’s drug trial.

A defense lawyer for Charles Daum had sought a one-year prison term, while the government urged U.S. District Judge Gladys Kessler to sentence him to the 78 months at the top of the federal sentencing guidelines range that applied to his case, the Blog of Legal Times reports. His 63-month sentence was at the bottom of the guidelines range.

Kessler said the “shocking” crime had threatened the integrity of the justice system.